加密解密源程序.doc

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1、java程序实现的排列码加密解密程序：源程序：import java.awt.Color;import java.awt.Dimension;import java.awt.Toolkit;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.io.BufferedWriter;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.File

2、OutputStream;import java.io.FileReader;import java.io.FileWriter;import java.io.PrintStream;import java.util.ArrayList;import java.util.Random;import java.util.Scanner;import javax.swing.JButton;import javax.swing.JFileChooser;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JO

3、ptionPane;import javax.swing.JPasswordField;import javax.swing.JTextField;public class EncryPL private JFrame jfra_Encry; private JLabel jlab_Sourc; private JLabel jlab_Dest; private JLabel jlab_Key; private JLabel jlab_Err; private JTextField jtext_Sourc; private JTextField jtext_Dest; private JPas

4、swordField jtext_Key; private JButton jbtn_Encrypt; private JButton jbtn_UnEncrypt; private JButton jbtn_Encrypt_Dot; private JButton jbtn_UnEncrypt_Dot; private String str_AllCodeFile = AllCodeFile.txt; private String str_SourceFile; private String str_DestFile; private String str_KeyText; private

5、int AllCode = new int256244; private int int_Key = new int32; private byte byte_Key = new byte4; private int int_KeyStick = new int32; public static void main(String args) EncryPL EPL = new EncryPL(); EPL.Init_Encry(); private void Init_Encry() this.jfra_Encry = new JFrame(); this.jfra_Encry.setTitl

6、e(排列码加解密); this.jfra_Encry.setSize(500, 400); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); this.jfra_Encry.setLocation(screensize.width - this.jfra_Encry.getWidth() / 2, (screensize.height - this.jfra_Encry.getHeight() / 2); this.jfra_Encry.setDefaultCloseOperation(3); this.jf

7、ra_Encry.setResizable(false); this.jfra_Encry.setLayout(null); this.jfra_Encry.setVisible(true); this.jlab_Sourc = new JLabel(); this.jlab_Sourc.setText(源文件:); this.jlab_Dest = new JLabel(); this.jlab_Dest.setText(终文件:); this.jlab_Key = new JLabel(); this.jlab_Key.setText(密 钥 :); this.jlab_Err = new

8、 JLabel(); this.jlab_Err.setForeground(Color.RED); this.jtext_Sourc = new JTextField(); this.jtext_Dest = new JTextField(); this.jtext_Key = new JPasswordField(); this.jbtn_Encrypt = new JButton(); this.jbtn_Encrypt.setText(加密); this.jbtn_UnEncrypt = new JButton(); this.jbtn_UnEncrypt.setText(解密); t

9、his.jbtn_Encrypt_Dot = new JButton(); this.jbtn_Encrypt_Dot.setText(.); this.jbtn_UnEncrypt_Dot = new JButton(); this.jbtn_UnEncrypt_Dot.setText(.); this.jfra_Encry.add(this.jlab_Sourc); this.jfra_Encry.add(this.jlab_Dest); this.jfra_Encry.add(this.jlab_Key); this.jfra_Encry.add(this.jtext_Sourc); t

10、his.jfra_Encry.add(this.jtext_Dest); this.jfra_Encry.add(this.jtext_Key); this.jfra_Encry.add(this.jbtn_Encrypt); this.jfra_Encry.add(this.jbtn_UnEncrypt); this.jfra_Encry.add(this.jbtn_Encrypt_Dot); this.jfra_Encry.add(this.jbtn_UnEncrypt_Dot); this.jfra_Encry.add(this.jlab_Err); this.jlab_Sourc.se

11、tBounds(60, 50, 50, 30); this.jtext_Sourc.setBounds(110, 50, 270, 30); this.jlab_Dest.setBounds(60, 130, 50, 30); this.jtext_Dest.setBounds(110, 130, 270, 30); this.jlab_Key.setBounds(60, 210, 50, 30); this.jtext_Key.setBounds(110, 210, 270, 30); this.jbtn_Encrypt.setBounds(160, 290, 80, 30); this.j

12、btn_UnEncrypt.setBounds(280, 290, 80, 30); this.jbtn_Encrypt_Dot.setBounds(385, 50, 50, 30); this.jbtn_UnEncrypt_Dot.setBounds(385, 130, 50, 30); this.jlab_Err.setBounds(220, 30, 150, 20); this.jbtn_Encrypt_Dot.addMouseListener(new EncryPL.MouseListener_jframe(this); this.jbtn_UnEncrypt_Dot.addMouse

13、Listener(new EncryPL.MouseListener_jframe(this); this.jbtn_Encrypt.addMouseListener(new EncryPL.MouseListener_jframe(this); this.jbtn_UnEncrypt.addMouseListener(new EncryPL.MouseListener_jframe(this); private int byteToint(byte bt) int int_binary = new int8; String str_bt = Integer.toBinaryString(bt

14、); int length = str_bt.length(); if (length = 8) str_bt = str_bt.substring(24, 32); for (int i = 0; i 8 - length; +i) int_binaryi = 0; length = str_bt.length(); int j = 0; for (int i = 8 - length; i 8; +i) int_binaryi = Integer.valueOf(str_bt.substring(j, j + 1).intValue(); +j; return int_binary; pr

15、ivate byte intTobyte(int int_binary) int length = int_binary.length; byte byte_Zero = 0; byte byte_Num = -128, 64, 32, 16, 8, 4, 2, 1 ; for (int i = 0; i length; +i) if (int_binaryi != 1) continue; byte_Zero = (byte)(byte_Zero + byte_Numi); return byte_Zero; private boolean SaveFile(byte byte_FileMe

16、ss, String str_File) int length = byte_FileMess.length; File file = new File(str_File); if (file.exists() file.delete(); try file.createNewFile(); FileOutputStream fos_File = new FileOutputStream(file); fos_File.write(byte_FileMess); fos_File.close(); return true; catch (Exception e) e.printStackTra

17、ce(); System.out.println(SaveFile 错误); return false; private byte ReadFile(String str_File) File file = new File(str_File); try FileInputStream fis_File = new FileInputStream(file); int length = fis_File.available(); byte byte_Mess = new bytelength; fis_File.read(byte_Mess); fis_File.close(); return

18、 byte_Mess; catch (Exception e) e.printStackTrace(); System.out.println(ReadFile 错误); return null; private void SaveFileBinary(int int_FileMess_Mi) StringBuffer str_FileBinary = new StringBuffer(this.str_DestFile); int offset = this.str_DestFile.length() - 4; str_FileBinary = str_FileBinary.insert(o

19、ffset, (Binary); String str_FileBin = str_FileBinary.toString(); File file = new File(str_FileBin); if (file.exists() file.delete(); try file.createNewFile(); catch (Exception e) e.printStackTrace(); System.out.println(SaveFileBinary 错误); try BufferedWriter bw = new BufferedWriter(new FileWriter(str

20、_FileBin); int length = int_FileMess_Mi.length; for (int i = 0; i length; +i) bw.write(int_FileMess_Mii + ); if (i + 1) % 100 != 0) continue; bw.newLine(); bw.flush(); bw.close(); catch (Exception e) e.printStackTrace(); System.out.println(SaveFileBinary 错误); private int get_path_Code() int Table_Co

21、de = 0; int Line_Code = 0; for (int i = 0; i 8; +i) Table_Code = (int)(Table_Code + this.int_Keyi * Math.pow(2.0D, 7 - i); Line_Code = (int)(Line_Code + this.int_Key(8 + i) * Math.pow(2.0D, 7 - i); Line_Code %= 24; return this.AllCodeTable_CodeLine_Code; private int get_noDoor_Code(int path_Code) in

22、t noDoor_Code = new int4; for (int i = 0; i 4; +i) int index = 4 * (i + 4) + path_Codei; noDoor_Codei = this.int_Keyindex; return noDoor_Code; private int Encrypt_intMing(int int_MingHalf, int path_Code, int noDoor_Code) int int_MiHalf = new int4; for (int i = 0; i 4; +i) if (noDoor_Codei = 0) int i

23、ndex = path_Codei; int_MiHalfindex = int_MingHalfi; else int index = path_Codei; if (int_MingHalfi = 0) int_MiHalfindex = 1; else int_MiHalfindex = 0; return int_MiHalf; private int UnEncrypt_intMi(int int_MiHalf, int path_Code, int noDoor_Code) int int_MingHalf = new int4; for (int i = 0; i 4; +i)

24、if (noDoor_Codei = 0) int index = path_Codei; int_MingHalfi = int_MiHalfindex; else int index = path_Codei; if (int_MiHalfindex = 0) int_MingHalfi = 1; else int_MingHalfi = 0; return int_MingHalf; private void ChangeKey(int int_MingHalf_ChangeKey) for (int i = 0; i 28; +i) this.int_KeySticki = this.

25、int_KeyStick(i + 4); for (int i = 0; i = 0; -i) Sum = this.int_Keyi + this.int_KeySticki + Next; if (Sum = 0) Local = 0; Next = 0; else if (Sum = 1) Local = 1; Next = 0; else if (Sum = 2) Local = 0; Next = 1; else Local = 1; Next = 1; this.int_Keyi = Local; int int_KeyEight = new int8; for (int i =

26、0; i 8; +i) int_KeyEighti = this.int_Keyi; for (int i = 0; i 24; +i) this.int_Keyi = this.int_Key(8 + i); for (int i = 0; i 8; +i) this.int_Key(24 + i) = int_KeyEighti; private byte EncryptFile_Do(byte byte_FileMess) int byte_FileMess_length = byte_FileMess.length; int int_FileMess_Mi = new intbyte_

27、FileMess_length * 8; int path_Code = new int4; int noDoor_Code = new int4; path_Code = get_path_Code(); noDoor_Code = get_noDoor_Code(path_Code); byte byte_Ming = byte_FileMess0; int int_Ming = byteToint(byte_Ming); int int_MingUp = new int4; int int_MingDown = new int4; for (int i = 0; i 4; +i) int

28、_MingUpi = int_Mingi; int_MingDowni = int_Ming(4 + i); int int_MingHalf_ChangeKey = new int4; for (int i = 0; i 4; +i) int_MingHalf_ChangeKeyi = int_MingUpi; int_MingUp = Encrypt_intMing(int_MingUp, path_Code, noDoor_Code); for (int i = 0; i 4; +i) int_FileMess_Mii = int_MingUpi; ChangeKey(int_MingH

29、alf_ChangeKey); path_Code = get_path_Code(); noDoor_Code = get_noDoor_Code(path_Code); for (int i = 0; i 4; +i) int_MingHalf_ChangeKeyi = int_MingDowni; int_MingDown = Encrypt_intMing(int_MingDown, path_Code, noDoor_Code); for (int i = 0; i 4; +i) int_FileMess_Mi(i + 4) = int_MingDowni; for (int i =

30、 0; i 4; +i) int_Mingi = int_MingUpi; int_Ming(i + 4) = int_MingDowni; byte_FileMess0 = intTobyte(int_Ming); for (int i = 1; i byte_FileMess.length; +i) byte_Ming = byte_FileMessi; int_Ming = byteToint(byte_Ming); int_MingUp = new int4; int_MingDown = new int4; for (int j = 0; j 4; +j) int_MingUpj =

31、 int_Mingj; int_MingDownj = int_Ming(4 + j); for (int j = 0; j 4; +j) int_MingHalf_ChangeKeyj = int_MingUpj; int_MingUp = Encrypt_intMing(int_MingUp, path_Code, noDoor_Code); for (int j = 0; j 4; +j) int_FileMess_Mi(8 * i + j) = int_MingUpj; ChangeKey(int_MingHalf_ChangeKey); path_Code = get_path_Co

32、de(); noDoor_Code = get_noDoor_Code(path_Code); for (int j = 0; j 4; +j) int_MingHalf_ChangeKeyj = int_MingDownj; int_MingDown = Encrypt_intMing(int_MingDown, path_Code, noDoor_Code); for (int j = 0; j 4; +j) int_FileMess_Mi(8 * i + 4 + j) = int_MingDownj; for (int j = 0; j 4; +j) int_Mingj = int_Mi

33、ngUpj; int_Ming(j + 4) = int_MingDownj; byte_FileMessi = intTobyte(int_Ming); SaveFileBinary(int_FileMess_Mi); return byte_FileMess; private byte UnEncryptFile_Do(byte byte_FileMess) int path_Code = new int4; int noDoor_Code = new int4; path_Code = get_path_Code(); noDoor_Code = get_noDoor_Code(path

34、_Code); byte byte_Mi = byte_FileMess0; int int_Mi = byteToint(byte_Mi); int int_MiUp = new int4; int int_MiDown = new int4; for (int i = 0; i 4; +i) int_MiUpi = int_Mii; int_MiDowni = int_Mi(4 + i); int int_MiHalf_ChangeKey = new int4; int_MiUp = UnEncrypt_intMi(int_MiUp, path_Code, noDoor_Code); fo

35、r (int i = 0; i 4; +i) int_MiHalf_ChangeKeyi = int_MiUpi; ChangeKey(int_MiHalf_ChangeKey); path_Code = get_path_Code(); noDoor_Code = get_noDoor_Code(path_Code); int_MiDown = UnEncrypt_intMi(int_MiDown, path_Code, noDoor_Code); for (int i = 0; i 4; +i) int_MiHalf_ChangeKeyi = int_MiDowni; for (int i

36、 = 0; i 4; +i) int_Mii = int_MiUpi; int_Mi(i + 4) = int_MiDowni; byte_FileMess0 = intTobyte(int_Mi); for (int i = 1; i byte_FileMess.length; +i) byte_Mi = byte_FileMessi; int_Mi = byteToint(byte_Mi); int_MiUp = new int4; int_MiDown = new int4; for (int j = 0; j 4; +j) int_MiUpj = int_Mij; int_MiDown

37、j = int_Mi(4 + j); int_MiUp = UnEncrypt_intMi(int_MiUp, path_Code, noDoor_Code); for (int j = 0; j 4; +j) int_MiHalf_ChangeKeyj = int_MiUpj; ChangeKey(int_MiHalf_ChangeKey); path_Code = get_path_Code(); noDoor_Code = get_noDoor_Code(path_Code); int_MiDown = UnEncrypt_intMi(int_MiDown, path_Code, noD

38、oor_Code); for (int j = 0; j 4; +j) int_MiHalf_ChangeKeyj = int_MiDownj; for (int j = 0; j 0) getAllCode(); SetKey(); int length = fis_sourc.available(); byte byte_FileMess = new bytelength; fis_sourc.read(byte_FileMess); fis_sourc.close(); byte_FileMess = EncryptFile_Do(byte_FileMess); if (!SaveFil

39、e(byte_FileMess, this.str_DestFile) return; JOptionPane.showMessageDialog(this.jfra_Encry, 文件加密完成, 信息提示, 0); this.jtext_Sourc.setText(); this.jtext_Dest.setText(); this.jtext_Key.setText(); else JOptionPane.showMessageDialog(this.jfra_Encry, 源文件为空文件, 信息提示, 0); catch (Exception e) e.printStackTrace()

40、; System.out.println(EncryptFile 错误); private void UnEncryptFile() if (!DoOrNot() return; try File file_sourc = new File(this.str_SourceFile); FileInputStream fis_sourc = new FileInputStream(file_sourc); if (fis_sourc.available() 0) getAllCode(); SetKey(); int length = fis_sourc.available(); byte by

41、te_FileMess = new bytelength; fis_sourc.read(byte_FileMess); fis_sourc.close(); byte_FileMess = UnEncryptFile_Do(byte_FileMess); if (!SaveFile(byte_FileMess, this.str_DestFile) return; JOptionPane.showMessageDialog(this.jfra_Encry, 文件解密完成, 信息提示, 0); this.jtext_Sourc.setText(); this.jtext_Dest.setTex

42、t(); this.jtext_Key.setText(); else JOptionPane.showMessageDialog(this.jfra_Encry, 源文件为空文件, 信息提示, 0); catch (Exception e) e.printStackTrace(); System.out.println(UnEncryptFile 错误); private void SetKey() String str_keytext = new String(this.jtext_Key.getPassword(); byte key_less = str_keytext.getByte

43、s(); byte key_equal = new byte32; int int_Key_mid = new int48; int length = key_less.length; if (length 32) int num_div = 32 / length; int num_left = 32 % length; for (int i = 0; i length * num_div; +i) key_equali = key_less(i % length); for (int i = 0; i num_left; +i) key_equal(length * num_div + i

44、) = key_lessi; else for (int i = 0; i 32; +i) key_equali = key_lessi; for (int i = 0; i 32; +i) switch (key_equali % 2) case 0: this.int_Keyi = 0; break; default: this.int_Keyi = 1; for (int i = 0; i 4; +i) for (int j = 0; j 8; +j) int_Key_midij = this.int_Key(i * 8 + j); for (int i = 0; i 4; +i) this.byte_Keyi = intTobyte(int_Key_midi); for (int i = 0; i 8; +i) int k = i % 2; for (int j = 0; j 4; +j) if (k = 0) if (this.int_Key(i * 4 + j) = 0) this.int_KeyStick(i * 4 + j) = 1; if (this.int_Key(i * 4 + j) != 1) continue; this.